Pharmachology Flashcards
What three categories are drugs/medications classified by?
Body system
Class of agent
Mechanism of action
What are sympathomimetics?
Drugs that mimic the sympathetic nervous system.
What are sympatholytics?
Drugs that inhibit the sympathetic nervous system
What is the neurotransmitter used in the sympathetic nervous system?
Norepinephrine
What is the neurotransmitter used in the parasympathetic nervous system?
Acetylcholine
What is a commonly used parasympatholytic drug used for symptomatic bradycardia and exposure to certain nerve agents?
Atropine
How does the drug atropine work?
It binds with acetylcholine receptors to prevent the acetylcholine from exerting its effect.
What four stages do drugs go through?
Absorption
Distribution
Metabolism
Excretion
What are the seven forms of medication?
Solid drugs Liquid drugs Meter dose inhalers Topical medications Transcutaneous medications Gels Gases
What three ways are drugs administered?
Inhalation route
Enteral route
Parenteral route
What does enteral mean?
Drugs that are administered though any portion of the GI tract
(Sublingual, buccal, oral, rectal, nasogastric routes)
What does parenteral mean?
Drugs that are administered any route other than GI tract
(Intravenous, intramuscular, intraosseous, subcutaneous, transdermal/transcutaneous, intrathecal, inhalation, intralingual, intradermal, umbilical injection)
What up does intravenous mean?
Into the vein
What does intramuscular mean?
Into the muscle
What does intraosseous mean?
Into the bone
What does subcutaneous mean?
Beneath the skin
What does transdermal/transcutaneous mean?
Thorough the skin (absorbed medications)
What does intrathecal mean?
Within the spinal canal (drug administered into the subarachnoid space)
What does intralingual mean?
Within the tongue
What does intradermal mean?
Within the skin (TB shots)
What are four drugs that are administered via the endotracheal route? (LEAN)
Lidocaine
Epinephrine
Atropine
Naloxene (narcan)
What is biotransformation?
The chemical alteration that a substance undergoes in the body
What is the primary organ for biotransformation?
The liver
What is idiosyncrasy?
A completely unique response in a particular individual